Here’s a look at some of the companies the Yahoo Finance team will be watching for you today.

Facebook (FB) has now turned in more than 450 pages of answers to questions posed by Congress. In the documents, Facebook revealed it tracks users’ battery levels and mouse movements – but said it is giving users more control over their personal information. And the social network just revealed a new review system for online shopping that could lead to bans for sellers of shoddy products.

Tesla (TSLA) is back in the hot-seat today – over allegations it tried to stop workers from unionizing. One employee told a National Labor Relations Board hearing that he was told to leave the factory after handing out pro-union flyers. Tesla says it values its employees. A judge is expected to rule on the case in the fall. Meantime, CEO Elon Musk has tweeted that the company’s controversial autopilot system will get full self-driving features in August.

Home Depot (HD) is building up its supply chain. The company plans to spend $1.2B, adding dozens of new distribution centers to get products to customers faster. The company’s top supply chain executive tells the Wall Street Journal, the move means it will be able to reach 90% of the U.S. population in one day or less.

Some new details are out on a big shake-up at the Golden Arches. McDonald’s (MCD) today is set to lay out plans to cut some field offices and layers of management. A memo obtained by the Wall Street Journal says the company will be creating a chief transformation officer to oversee the changes, which will cost $80 million to $90 million.

Amazon (AMZN) has won its fight over a tax in its hometown. Seattle today plans to repeal a tax on large companies, designed to pay for anti-homelessness efforts. Amazon, Starbucks and others had criticized the tax, and were helping fund a public referendum aimed at repealing it.